Incompressible smoothed particle hydrodynamics simulations of fluid-structure interaction on free surface flows

Abdelraheem M. Aly, Mitsuteru Asai

研究成果: Contribution to journalArticle査読

7 被引用数 (Scopus)

抄録

In this paper, fluid-structure interaction (FSI) on free surface flows has been simulated using ISPH method. The governing equations are discretized and solved with respect to Lagrangian moving particles filled within the mesh-free computational domain and the pressure was evaluated by solving pressure Poisson equation using a semi-implicit algorithm based on the projection scheme to ensure divergence free velocity field and density invariance conditions. In this study, the structure is taken as a rigid body and it modeled using ISPH method by two different techniques. In the first technique, the solid particles are treated initially as fluid particles and after corrector step in projection method, the solid constraint is applied to get the rigid body motion. In the second technique, we computed the motions of a rigid body by direct integration of fluid pressure at the position of each particle on the body surface. Then, the equations of translational and rotational motions were integrated in time to update the position of the rigid body at each time step. The applicability and efficiency of current ISPH method with the two different treatment of rigid body are tested by comparison with reference experimental results.

本文言語英語
ページ(範囲)471-484
ページ数14
ジャーナルInternational Journal of Fluid Mechanics Research
41
6
DOI
出版ステータス出版済み - 2014

All Science Journal Classification (ASJC) codes

  • 機械工学
  • 物理学および天文学(全般)

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